This free exhibit showcases extraordinary art from the reign of Louis IX, as well as later works inspired by the 13th-century monarch. The exhibit will feature 13th-century carved ivory and metalwork, decorated manuscripts, a 17th-century illustrated book about Louis’s achievement of bringing the Crown of Thorns to Paris, an altarpiece painting by Louise-Marie Mauduit that Bishop Louis William Valentine DuBourg sent to the city of St. Louis in 1818, among many other artifacts.